68980360

素因数分解:

$2^3\times 5^1\times {\mathrm{1724509}}^1$

素因数の和:1724520

約数の個数: 16

約数和(自身を含む): 155205900

約数和(自身を除く): 86225540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1724509, 3449018, 6898036, 8622545, 13796072, 17245090, 34490180, 68980360]

約数ペア:

[(1, 68980360), (2, 34490180), (4, 17245090), (5, 13796072), (8, 8622545), (10, 6898036), (20, 3449018), (40, 1724509)]